An example of a method, for three-dimensional (3D) printing, includes applying a build material and patterning at least a portion of the build material. The patterning includes selectively applying a wetting amount of a binder fluid on the at least the portion of the build material and subsequently selectively applying a remaining amount of the binder fluid on the at least the portion of the build material. An area density in grams per meter square meter (gsm) of the wetting amount ranges from about 2 times less to about 30 times less than area density in gsm of the remaining amount.

Provided is a dip-molded article, and more particularly, provided are a dip-molded article including: a layer derived from a latex composition for dip-molding; and a layer derived from a polymer including a repeating unit derived from a diacetylene-based compound, a latex composition for dip-molding, and a preparation method thereof.

Provided is a dip-molded article, and more particularly, provided are a dip-molded article including: a layer derived from a latex composition for dip-molding; and a layer derived from a polymer including a repeating unit derived from a diacetylene-based compound, a latex composition for dip-molding, and a preparation method thereof.

Provided is a dip-molded article, and more particularly, provided are a dip-molded article including: a layer derived from a latex composition for dip-molding; and a layer derived from a polymer including a repeating unit derived from a diacetylene-based compound, a latex composition for dip-molding, and a preparation method thereof.

Provided is a latex composition for dip molding. The latex composition for dip molding includes a carboxylic acid-modified nitrile-based copolymer latex and a hydrophobically modified alkali-soluble emulsion thickener, wherein the hydrophobically modified alkali-soluble emulsion thickener includes a copolymer including an associative portion and a non-associative portion, and the associative portion includes a monomer-derived repeating unit substituted by one or more first hydrophobic groups selected from the group consisting of alkyl, alkenyl, perfluoroalkyl, and carbosilyl having 8 to 15 carbon atoms, and aryl, arylalkyl, arylalkenyl, alicyclic alkyl, and polycyclic alkyl having 6 to 15 carbon atoms. A method of preparing the latex composition for dip molding, and a molded article manufactured therefrom are also provided.

Provided is a latex composition for dip molding. The latex composition for dip molding includes a carboxylic acid-modified nitrile-based copolymer latex and a hydrophobically modified alkali-soluble emulsion thickener, wherein the hydrophobically modified alkali-soluble emulsion thickener includes a copolymer including an associative portion and a non-associative portion, and the associative portion includes a monomer-derived repeating unit substituted by one or more first hydrophobic groups selected from the group consisting of alkyl, alkenyl, perfluoroalkyl, and carbosilyl having 8 to 15 carbon atoms, and aryl, arylalkyl, arylalkenyl, alicyclic alkyl, and polycyclic alkyl having 6 to 15 carbon atoms. A method of preparing the latex composition for dip molding, and a molded article manufactured therefrom are also provided.

The invention relates to an elastomeric film-forming composition (a) a carboxylated butadiene-based elastomer, (b) polychlorobutadiene in an amount of less than 30% by weight of the polymer content of the composition, and (c) one or more cross-linking agents. The invention also relates to dipped articles, gloves, methods of manufacture and uses involving the composition.

A latex composition includes a latex of a conjugated diene polymer (A) having a glass transition temperature of 10° C. or less and a latex of a polymer (B) having a glass transition temperature of more than 10° C., wherein the value of (CS(B)−CS(A)) is more than 0% by weight, where a chemical stability of the latex of the conjugated diene polymer (A) to CaCl.sub.2, when the solids concentration of the latex is 20% by weight, is defined as CS(A) (% by weight), and a chemical stability of the latex of the polymer (B) to CaCl.sub.2, when the solids concentration of the latex is 20% by weight, is defined as CS(B) (% by weight).

A latex composition includes a latex of a conjugated diene polymer (A) having a glass transition temperature of 10° C. or less and a latex of a polymer (B) having a glass transition temperature of more than 10° C., wherein the value of (CS(B)−CS(A)) is more than 0% by weight, where a chemical stability of the latex of the conjugated diene polymer (A) to CaCl.sub.2, when the solids concentration of the latex is 20% by weight, is defined as CS(A) (% by weight), and a chemical stability of the latex of the polymer (B) to CaCl.sub.2, when the solids concentration of the latex is 20% by weight, is defined as CS(B) (% by weight).

A method for producing a dip-molded article, the method including steps of immersing a mold for dip molding in a coagulant solution to deposit the coagulant on the mold for dip molding; providing a latex composition containing a carboxy-modified conjugated diene polymer latex which is a dispersion of carboxy-modified conjugated diene polymer particles having a volume average particle size of 500 to 2,000 nm in water; and immersing the mold for dip molding having the coagulant deposited thereon in the latex composition to obtain a dip-molded article having a thickness of 0.02 to 0.19 mm.